Alveolar Crestal Approach for Maxillary Sinus Membrane Elevation with <4 mm of Residual Bone Height: A Case Report

Table 3

Marginal bone resorption and follow-up observation period following final prosthesis loading.

Patient	Marginal bone resorption (mm)	Observation period (months)
1	0.00	4
2	0.12	6
3	0.00	8
4	0.36	11
5	0.22	7
6	0.28	13
7	0.00	4
8	0.48	34
9	0.38	22
10	0.43	11
Mean	0.23	12

Bone resorption as measured on periapical radiographs; observation period following final prosthesis loading.